GafferDispatchUI : Adopt new nodeGraphLayout metadata convention
GafferDispatchUI : Adopt new nodeGraphLayout metadata convention

lucienfostier/gaffer,johnhaddon/gaffer,appleseedhq/gaffer,boberfly/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,lucienfostier/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,boberfly/gaffer,hradec/gaffer,hradec/gaffer,andrewkaufman/gaffer,ivanimanishi/gaffer,appleseedhq/gaffer,ImageEngine/gaffer,boberfly/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,boberfly/gaffer,johnhaddon/gaffer,hradec/gaffer,hradec/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,andrewkaufman/gaffer,ivanimanishi/gaffer,lucienfostier/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,appleseedhq/gaffer,hradec/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer